Chain reactions
Neutrons released in a fission reaction can strike other nuclei and cause chain reactions
Explanation:
In nuclear fission reactions, the heavier atoms split into into lighter atoms, releasing neutrons at high velocity in the process. The neutrons hit other heavier atoms in the vicinity and split them too releasing more neutrons. This continuation is called chain reaction. The more the released neutrons the higher the rate of chain reactions. This causes too much energy to be produced at a go until an enormous explosion occurs (like in bombs).
In controlled nuclear fission such as in nuclear reactors, the number of neutrons is controlled so as to prevent the reactor from exploding. A wall that absorbs excess neutrons is used to control the number of chain reactions to prevent the release of too much energy at once.
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Explanation:
The problem doesn't specify that the units have to be g/mL, so you can calculate the density in kg/L without converting the mass or volume.
Just make sure that either way, you write the units.
When an object is moving with uniform circular motion, the centripetal acceleration of the object d. is directed toward the center of motion.
To solve the exercise, the key concept to be addressed is the Mass Center.
The center of mass of an object is measured as,
Our values are given by,
Replacing the values in our previous equation we have,
Therefore the mass of the meter stick is 7.928g
Answer:
Log 10 ( 4.16x10^16)
Explanation:
Other distance from sun you have to search by your self then apply the equation Log 10 ( distance from sun )
